1 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
2 #![feature(crate_visibility_modifier)]
3 #![feature(drain_filter)]
4 #![feature(in_band_lifetimes)]
8 #![feature(proc_macro_internals)]
9 #![feature(min_specialization)]
10 #![feature(try_blocks)]
11 #![feature(never_type)]
12 #![recursion_limit = "256"]
14 extern crate proc_macro;
17 extern crate rustc_macros;
19 extern crate rustc_middle;
21 extern crate rustc_data_structures;
23 pub use rmeta::{provide, provide_extern};
25 mod dependency_format;
34 pub use rmeta::{encode_metadata, EncodedMetadata, METADATA_HEADER};